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发明名称
摘要
申请公布号
JPH0340764(B2)
申请公布日期
1991.06.20
申请号
JP19850174714
申请日期
1985.08.08
申请人
发明人
分类号
E01H5/00;E01H5/10;E02D5/12
主分类号
E01H5/00
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代理人
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地址
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